Tuchel has warned they must act decisively and needs to repair his defence after losing Antonio Rüdiger to Real Madrid and Andreas Christensen to Barcelona, who also want Marcos Alonso and César Azpilicueta. The first signing is expected to be the Sevilla centre-back Jules Koundé, who missed out on a move to Stamford Bridge last summer, and they are also interested in RB Leipzig’s Josko Gvardiol. Koundé, a 23-year-old France international, can play as a right centre-back and could be available for £50m. Gvardiol, a highly rated 20-year-old Croat, would be a replacement for Rüdiger because he can play on the left of a back three. Other names on Chelsea’s shortlist include Villarreal’s Pau Torres and Atlético Madrid’s José María Giménez. They are also huge admirers of Torino’s Gleison Bremer, though Internazionale are favourites to sign the 25-year-old Brazilian. Tottenham are another possible destination for Bremer.

Manchester City’s Raheem Sterling is among the attacking players being monitored by Chelsea. Photograph: Paul Ellis/AFP/Getty ImagesĬhelsea’s attack has lacked consistency and Tuchel wants new forwards.

He is monitoring Raheem Sterling, who has a year remaining on his deal at City and could seek a new challenge. There is interest too in Christopher Nkunku, although it will be hard to convince RB Leipzig to sell the prolific 24-year-old this summer. Lille’s Jonathan David, Benfica’s Darwin Núñez and Barcelona’s Ousmane Dembélé, who is out of contract, are other targets.

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